Today's weather: thunder and antimatter beams | Science News

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Today's weather: thunder and antimatter beams

Positrons appear to be common in terrestrial lightning storms

7:55pm, January 10, 2011

SEATTLE — Forget about gamma rays from the hearts of distant galaxies. Scientists now believe gamma rays, as well as beams of energetic particles of antimatter, are common components of lightning storms right here on Earth.

In 2009, researchers announced that NASA’s Fermi Gamma-ray Space Telescope had, for the first time, detected gamma rays produced

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